Consider the following program

Program 1:

int main()

{

       char a[10] =”Testbook”;

       %%

       %%

       return 0;

}

Program 2:

int main()

{

       char a[10]  =”Testbook”;

       int p=20,q=30,r,s,s;

       if(p>q;

                 r = 20;

}

Program 3:

int main()

{

       char a[10]  =”Testbook”;

       int p=20,q=30,r,s,s;

}

Program 4:

int main()

{

       char a[10]  =”Testbook”;

       /* He*/llo /*

       If(a!=’\0’)

       b = 10;

}

Lexical errors are present in programs